Update references to test helpers

Replace:
* tests/src -> framework/tests/src
* tests/include -> framework/tests/include

Except for occurrences of:
* tests/src/test_helpers (since this only contains ssl_helpers.c)
* tests/src/test_certs.h
* tests/include/alt_dummy

Signed-off-by: David Horstmann <david.horstmann@arm.com>
diff --git a/docs/architecture/psa-crypto-implementation-structure.md b/docs/architecture/psa-crypto-implementation-structure.md
index 0954602..ada29d1 100644
--- a/docs/architecture/psa-crypto-implementation-structure.md
+++ b/docs/architecture/psa-crypto-implementation-structure.md
@@ -78,7 +78,7 @@
 
 * [ ] PSA Crypto API draft, if not already done — [PSA standardization](#psa-standardization)
 * [ ] `include/psa/crypto_values.h` or `include/psa/crypto_extra.h` — [New functions and macros](#new-functions-and-macros)
-* [ ] `include/psa/crypto_config.h`, `tests/include/test/drivers/crypto_config_test_driver_extension.h` — [Preprocessor symbols](#preprocessor-symbols)
+* [ ] `include/psa/crypto_config.h`, `framework/tests/include/test/drivers/crypto_config_test_driver_extension.h` — [Preprocessor symbols](#preprocessor-symbols)
 * Occasionally `library/check_crypto_config.h` — [Preprocessor symbols](#preprocessor-symbols)
 * [ ] `include/mbedtls/config_psa.h` — [Preprocessor symbols](#preprocessor-symbols)
 * [ ] `library/psa_crypto.c`, `library/psa_crypto_*.[hc]` — [Implementation of the mechanisms](#implementation-of-the-mechanisms)
@@ -128,7 +128,7 @@
     * If `MBEDTLS_PSA_CRYPTO_CONFIG` is disabled: based on the available mechanisms in Mbed TLS, deduced from `mbedtls/mbedtls_config.h` by code in `include/mbedtls/config_psa.h`.
     * if `MBEDTLS_PSA_CRYPTO_CONFIG` is enabled: in the application configuration file `include/psa/crypto_config.h` (or `MBEDTLS_PSA_CRYPTO_CONFIG_FILE`, plus `MBEDTLS_PSA_CRYPTO_USER_CONFIG_FILE`), with code in `include/mbedtls/config_psa.h` deducing the necessary underlying `MBEDTLS_xxx` symbols.
 *  For transparent keys (keys that are not in a secure element), the feature is implemented by Mbed TLS if `MBEDTLS_PSA_BUILTIN_ttt_xxx` is defined, and by an accelerator driver if `MBEDTLS_PSA_ACCEL_ttt_xxx` is defined. `MBEDTLS_PSA_BUILTIN_ttt_xxx` constants are set in `include/mbedtls/config_psa.h` based on the application requests `PSA_WANT_ttt_xxx` and the accelerator driver declarations `MBEDTLS_PSA_ACCEL_ttt_xxx`.
-* For the testing of the driver dispatch code, `tests/include/test/drivers/crypto_config_test_driver_extension.h` sets additional `MBEDTLS_PSA_ACCEL_xxx` symbols.
+* For the testing of the driver dispatch code, `framework/tests/include/test/drivers/crypto_config_test_driver_extension.h` sets additional `MBEDTLS_PSA_ACCEL_xxx` symbols.
 
 For more details, see *[Conditional inclusion of cryptographic mechanism through the PSA API in Mbed TLS](../proposed/psa-conditional-inclusion-c.html)*.
 
diff --git a/docs/architecture/psa-shared-memory.md b/docs/architecture/psa-shared-memory.md
index 283ffc6..5f69a77 100644
--- a/docs/architecture/psa-shared-memory.md
+++ b/docs/architecture/psa-shared-memory.md
@@ -661,7 +661,7 @@
 #define psa_aead_update(...) mem_poison_psa_aead_update(__VA_ARGS__)
 ```
 
-There now exists a more generic mechanism for making exactly this kind of transformation - the PSA test wrappers, which exist in the files `tests/include/test/psa_test_wrappers.h` and `tests/src/psa_test_wrappers.c`. These are wrappers around all PSA functions that allow testing code to be inserted at the start and end of a PSA function call.
+There now exists a more generic mechanism for making exactly this kind of transformation - the PSA test wrappers, which exist in the files `framework/tests/include/test/psa_test_wrappers.h` and `framework/tests/src/psa_test_wrappers.c`. These are wrappers around all PSA functions that allow testing code to be inserted at the start and end of a PSA function call.
 
 The test wrappers are generated by a script, although they are not automatically generated as part of the build process. Instead, they are checked into source control and must be manually updated when functions change by running `framework/scripts/generate_psa_wrappers.py`.
 
diff --git a/docs/psa-driver-example-and-guide.md b/docs/psa-driver-example-and-guide.md
index aa825ad..90bbb33 100644
--- a/docs/psa-driver-example-and-guide.md
+++ b/docs/psa-driver-example-and-guide.md
@@ -43,7 +43,7 @@
  - C header files defining the types required by the driver description. The names of these header files are declared in the driver description file.
  - An object file compiled for the target platform defining the functions required by the driver description. Implementations may allow drivers to be provided as source files and compiled with the core instead of being pre-compiled.
 
-The Mbed TLS driver tests for the aforementioned entry points provide examples of how these deliverables can be implemented. For sample driver description JSON files, see [`mbedtls_test_transparent_driver.json`](https://github.com/Mbed-TLS/mbedtls/blob/development/scripts/data_files/driver_jsons/mbedtls_test_transparent_driver.json) or [`mbedtls_test_opaque_driver.json`](https://github.com/Mbed-TLS/mbedtls/blob/development/scripts/data_files/driver_jsons/mbedtls_test_transparent_driver.json). The header file required by the driver description is [`test_driver.h`](https://github.com/Mbed-TLS/mbedtls/blob/development/tests/include/test/drivers/test_driver.h). As Mbed TLS tests are built from source, there is no object file for the test driver. However, the source for the test driver can be found under `tests/src/drivers`.
+The Mbed TLS driver tests for the aforementioned entry points provide examples of how these deliverables can be implemented. For sample driver description JSON files, see [`mbedtls_test_transparent_driver.json`](https://github.com/Mbed-TLS/mbedtls/blob/development/scripts/data_files/driver_jsons/mbedtls_test_transparent_driver.json) or [`mbedtls_test_opaque_driver.json`](https://github.com/Mbed-TLS/mbedtls/blob/development/scripts/data_files/driver_jsons/mbedtls_test_transparent_driver.json). The header file required by the driver description is [`test_driver.h`](https://github.com/Mbed-TLS/mbedtls/blob/development/framework/tests/include/test/drivers/test_driver.h). As Mbed TLS tests are built from source, there is no object file for the test driver. However, the source for the test driver can be found under `framework/tests/src/drivers`.
 
 ### Process for Entry Points where auto-generation is not implemented